Costal chondrosarcoma in a woman with hereditary multiple exostoses - a case report.

IF 3.5 3区 医学 Q2 ONCOLOGY
Frontiers in Oncology Pub Date : 2025-02-17 eCollection Date: 2025-01-01 DOI:10.3389/fonc.2025.1469072
Ze Yang, Kaiqiang Wang, Jiangtao Pu
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Abstract

In this report, we present a case of a 32-year-old female previously diagnosed with hereditary multiple exostoses(HME) who was incidentally found to have an asymptomatic anterior mediastinal mass during a routine examination. Computed tomography imaging revealed a well-defined mass measuring approximately 2.3 cm x 4.0 cm x 4.7 cm in the anterior mediastinum with multiple nodular areas of high density within. The mass caused compression and narrowing of the right ventricle. The patient subsequently underwent intralesional resection of the tumor, and histopathological examination confirmed a diagnosis of well-differentiated chondrosarcoma. Given the patient's medical history, the chondrosarcoma was suspected to have originated from malignant transformation of a rib osteochondroma. The patient received adjuvant radiotherapy postoperatively and has been followed up for one year with no evidence of recurrence. This case reports a highly rare costal chondrosarcoma secondary to hereditary multiple exostoses, located in the anterior mediastinum and compressing the right ventricle. To our knowledge, this is the first reported case of costal chondrosarcoma secondary to HME occurring in the anterior mediastinum, which requires differentiation from other common anterior mediastinal tumors.

女性遗传性多发性外骨骼增生并发肋软骨肉瘤1例报告。
在这个报告中,我们提出一个32岁的女性,以前被诊断为遗传性多发性外生骨病(HME),在常规检查中偶然发现有一个无症状的前纵隔肿块。计算机断层成像显示前纵隔有一个清晰的肿块,尺寸约为2.3 cm x 4.0 cm x 4.7 cm,内有多个高密度结节区。肿块造成右心室压迫和狭窄。患者随后接受病变内肿瘤切除术,组织病理学检查证实诊断为高分化软骨肉瘤。鉴于患者的病史,怀疑软骨肉瘤起源于肋骨骨软骨瘤的恶性转化。患者术后接受辅助放疗,随访一年,无复发迹象。这个病例报告了一个非常罕见的肋软骨肉瘤继发于遗传性多发性外生骨瘤,位于前纵隔并压迫右心室。据我们所知,这是第一例发生在前纵隔的继发于HME的肋软骨肉瘤,需要与其他常见的前纵隔肿瘤鉴别。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
Frontiers in Oncology
Frontiers in Oncology Biochemistry, Genetics and Molecular Biology-Cancer Research
CiteScore
6.20
自引率
10.60%
发文量
6641
审稿时长
14 weeks
期刊介绍: Cancer Imaging and Diagnosis is dedicated to the publication of results from clinical and research studies applied to cancer diagnosis and treatment. The section aims to publish studies from the entire field of cancer imaging: results from routine use of clinical imaging in both radiology and nuclear medicine, results from clinical trials, experimental molecular imaging in humans and small animals, research on new contrast agents in CT, MRI, ultrasound, publication of new technical applications and processing algorithms to improve the standardization of quantitative imaging and image guided interventions for the diagnosis and treatment of cancer.
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